Questions tagged [dc-dc-converter]
DC-DC conversion. Implies conversion of a DC voltage level up or down. DC-DC converter can be isolated or non-isolated. Electronically it can be done by many kinds of circuits, depending upon the application (charge pumps, voltage multipliers, linear voltage regulators, boost/buck switched converters, etc)
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DC-DC convertor-SEPIC architecture
I'm working on a SEPIC DC-DC convertor, in the reference design from Texas instrument there is MOSFECT which is derived by DR pin of the main controller (LM3488) as follows:
There is an diode (D4), ...
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SEPIC DC-DC converter
I want to do the layout for a SEPIC DC/DC converter as follows:
In the datasheet of the driver LM3488, they have recommendation for layout, which means the traces should be as short as possible for ...
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DC isolation - 3 separate circuits with same power source and shared I2C
I am trying to build one small project and based on the needs I need to isolate few components but also keep them connected using I2C. I was doing a research and found few DC DC isolator converters ...
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Can i connect two DC-DC buck converters 48V>24V in parallel to increase the current? [closed]
can i connect two DC-DC buck converters 48V>24V in parallel to increase the output current?
I have one 20A already but it shuts off by overload. The Load is sometimes 30A so im considering to ...
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How does MPPT maintain a constant voltage?
I have a slight confusion in the working of the MPPT algorithm in solar inverter. I am confused about how this converter maintains a constant 310V (required for H-bridge) with MPPT. MPPT is a maximum ...
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DC DC boost giving high voltage , minimum quiescent current
My dc-dc gives 25 V on load instead of 5 V, Arduino calculator shows similar values for 3 V supply.
Supply is 3 V 2 AA batteries.
Led blinking ON for 100 msec OFF 900 msec, current 150mA
The intended ...
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Calculating junction-to-ambient temperature rise for switching MOSFET
So I'm looking at datasheet's since I'm looking for a N-Channel MOSFET for a DC-DC Buck Converter that will be switching at 1.2MHz. Since the MOSFET will be used as a switch for the Buck Converter, I ...
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LM2675 outputs wrong voltage, not sure about layout
I'm making an ESP32 board to control some 12V outputs, so I got an LM2675-3.3 buck converter IC (datasheet) to power the MCU. This is my first time designing and soldering a PCB and I'm guessing I may ...
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Middlebrook Stability Criteria for Input Filter
I am trying to apply Middlebrook input filter stability criteria for Active clamp forward converter .So for finding Input filter output impedance over the frequency range is quite straight forward in ...
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Periodic Voltage and Current Fluctuations in Autonomous Robot System
I have an autonomous robot system powered by a 24V LiFePO4 battery that has several distributed PCBA's getting their power from the 24V battery, and also having their own on-board DC-DC buck ...
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Average Model of Peak Current Mode Buck Converter
I am trying to understand average model of Buck Converter for Peak Current Mode Control Topology. Below is a snapshot taken from the Christophe Basso Webpage, from file ��PWM Switch LTspice: Mark ...
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How should I come up with a power supply for 5 motors, one micro-controller (ESP32) and one microprocessor (Jetson Nano) for an object sorting arm
I am trying to design a power supply for a robotic arm with 5 servo motors(2 are MG90S and 3 1501MG motors). I'm planning to use an ESP32 microcontroller and Jetson Nano.
I have the option of using ...
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TPS65131 inverting dc-dc overshoot
I am trying to make a ±12 V power supply with a TPS65131 DC-DC converter.
The positive rail looks just fine, but the negative rail overshoots to around -12.7 V and then slowly recovers to -12 V, then ...
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Why are these transformer windings used connecting the switch and the series pass regulator in this circuit?
I am looking into this multi-output forward converter and cannot figure why these highlighted windings are connected to the switching side. There's already an inductor to handle the recovery reset. ...
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Peak Current Mode Control Buck Converter Slope Compensation Info From datasheet
I am working on Buck Converter design based on LT8642S controller and trying to do average modelling ,so I contacted manufacturer regarding slope compensation info and they responded below.
"The ...
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